Profile of an aquarium base



FIG. 1 is an isometric view of a profile of an aquarium base showing my new design;

FIG. 2 is a front elevation view thereof, the rear elevation view being identical;

FIG. 3 is a right side elevation view thereof, the left side elevation view being identical; and,

FIG. 4 is a top plan view thereof.

All views indicate indeterminate length.

The broken lines are for illustration only and form no part of the claimed design. 

The ornamental design for a profile of an aquarium base, as shown and described. 